1010210201221 has 16 divisors (see below), whose sum is σ = 1145365997440. Its totient is φ = 883277317440.

The previous prime is 1010210201213. The next prime is 1010210201237. The reversal of 1010210201221 is 1221020120101.

It is a cyclic number.

It is not a de Polignac number, because 1010210201221 - 2³ = 1010210201213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010210201321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181416 + ... + 1848286.

It is an arithmetic number, because the mean of its divisors is an integer number (71585374840).

Almost surely, 2^{1010210201221} is an apocalyptic number.

It is an amenable number.

1010210201221 is a deficient number, since it is larger than the sum of its proper divisors (135155796219).

1010210201221 is a wasteful number, since it uses less digits than its factorization.

1010210201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673036.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010210201221 its reverse (1221020120101), we get a palindrome (2231230321322).

The spelling of 1010210201221 in words is "one trillion, ten billion, two hundred ten million, two hundred one thousand, two hundred twenty-one".